Raphael - Vector Javascript Framework
http://dmitry.baranovskiy.com/raphael/
50 Websites For Free Vector Images
http://www.hongkiat.com/blog/50-websites-for-free-vector-images-download/
Free Vector Icon Set 1 - Containing 25 Icons
http://www.monofactor.com/goodies/free-vector-icon-set-1/
Vector Magic
http://vectormagic.stanford.edu/